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1991 Ford f150 4.9L Exhaust Noise
hello fellow techs this 91 f150 has a exhaust noise when you are in third gear on up when accelerating it sounds as if a valve opens up and causes a leak i have tried duplicating this in the bay but have been unsuccessful, i called a local ford dealer they had...
FIX posted 5/23/2000
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Message Closed w/FIX
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| VIN | [No VIN Available] |
| Engine | 4.9 L / 6 cyl |
| Emissions | obd1 |
| Symptoms | Exhaust Noise |
| Occurs | Always, Under Load, on Accel |
| Misc. | Standard Cab Short Bed |
Message Closed w/FIX
Vehicle Data
1991 Ford f150
| VIN | [No VIN Available] |
| Engine | 4.9 L / 6 cyl |
| Emissions | obd1 |
| Symptoms | Exhaust Noise |
| Occurs | Always, Under Load, on Accel |
| Misc. | Standard Cab Short Bed |
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